Answer: It happens when I cease to see his body completely and sense that our feelings (hearts) and minds are united together. At first we only imagine such connection to ourselves, but then it actually occurs beyond the bodies. In this connection we start to feel the Creator’s presence.
A state when you are capable of uniting with the friend in mind and heart and the Creator dwells between you is called love of the friend. One condition cannot be met without the others: All three parameters have to be joined together. The Creator becomes revealed between us as the witness of us being truly connected with each other.
From Lesson 2, WE! Convention 4/2/2011